CN218290987U - Hot-blast pipeline access & exit heat sink of hot-blast furnace - Google Patents
Hot-blast pipeline access & exit heat sink of hot-blast furnace Download PDFInfo
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- CN218290987U CN218290987U CN202221851097.3U CN202221851097U CN218290987U CN 218290987 U CN218290987 U CN 218290987U CN 202221851097 U CN202221851097 U CN 202221851097U CN 218290987 U CN218290987 U CN 218290987U
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Abstract
The application discloses hot-blast furnace hot-blast pipeline access & exit heat sink relates to metallurgical blast furnace ironmaking technical field, including hot-blast furnace and plenum, the upper end at the hot-blast furnace is installed to the plenum, the intermediate junction of plenum has the hot-blast main, the welding of the junction of plenum and hot-blast main has the gusset, the upper end of gusset is connected with cooling device, cooling device includes the steel pipe, water service pipe and breather pipe, the upper end at the gusset is installed to the steel pipe, the middle upper end symmetric welding of steel pipe has water service pipe and breather pipe, breather pipe and water service pipe internally mounted have the ball valve, when needs are cooled down the hot-blast main, fix steel pipe frame on the gusset of required hot-blast main access & exit, make the top that is located the hot-blast main in the middle of the steel pipe, open water service pipe and breather pipe afterwards, switch-on compressed air or aqueous medium, blow or atomize according to the hot-blast main access & exit and carry out the cooling treatment at last, therefore, the universality is strong, the manufacture is simple, and low cost.
Description
Technical Field
The utility model belongs to the technical field of metallurgical blast furnace ironmaking technology and specifically relates to a hot-blast furnace hot-blast line access & exit heat sink is related to.
Background
Blast furnace air supply system, semi-ring region on the semicircle ring region, mixing chamber access & exit on hot-blast furnace body and hot-blast branch pipe junction, semi-ring region on the hot-blast pipeline socket receives influences such as firebrick masonry in structure and the pipeline, when the high temperature condition easily appears in the stove outer covering, need blast air (or beat water) cooling, if long-term high temperature easily causes the stove outer covering fracture hourglass wind, and then probably causes the hot-blast pipeline to burn the accident. At present, a cooling mode of cooling by adopting an air receiving pipe or a water pipe is adopted.
The joint of the hot air branch pipe outlet and the inlet and outlet of the air mixing chamber of the hot air furnace is provided with a reinforced rib plate, and a plurality of air blowing pipes are additionally arranged when air blowing, cooling and temperature reduction are carried out. Unbalanced cooling and energy waste are easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to improve the above mentioned problem, the utility model provides a hot-blast furnace hot-blast pipe access & exit heat sink.
The utility model provides a hot-blast furnace hot-blast main access & exit heat sink adopts following technical scheme:
a cooling device for an inlet and an outlet of a hot air pipeline of a hot air furnace comprises the hot air furnace and an air mixing chamber, wherein the air mixing chamber is arranged at the upper end of the hot air furnace, a hot air pipe is connected in the middle of the air mixing chamber, a stiffened plate is welded at the joint of the air mixing chamber and the hot air pipe, and the upper end of the stiffened plate is connected with a cooling device;
the cooling device comprises a steel pipe, a water service pipe and a vent pipe, the steel pipe is arranged at the upper end of the stiffened plate, and the water service pipe and the vent pipe are symmetrically welded at the upper end of the middle of the steel pipe.
By adopting the technical scheme, when the hot blast pipe is required to be cooled, the steel pipe frame is fixed on the rib plate of the inlet and outlet of the required hot blast pipe, the middle of the steel pipe is positioned at the top end of the hot blast pipe, then the water service pipe and the vent pipe are opened, compressed air or water medium is communicated, and finally, wind is blown or atomized according to the requirement of cooling intensity to cool the inlet and outlet of the hot blast pipe.
Optionally, the stiffened plates are uniformly distributed in an annular array.
Through adopting above-mentioned technical scheme, can improve holistic support intensity.
Optionally, round holes are formed in the inner side of the steel pipe at intervals, and sealing plates are fixedly mounted on two sides of the steel pipe.
Through adopting above-mentioned technical scheme, the shrouding can carry out the shutoff to the both sides of steel pipe, avoids coolant to leak from the both sides of steel pipe.
Optionally, the aperture of the circular holes at the two sides of the steel pipe is smaller than that of the circular hole in the middle of the steel pipe.
By adopting the technical scheme, the aperture size of the round hole is determined according to the temperature of the upper part of the inlet and outlet of the hot blast pipe, the higher the temperature of the cooling area is, the larger the aperture is, the apertures on both sides of the common steel pipe can be provided with 1-2mm, the aperture in the middle of the steel pipe can be provided with 3-4mm, the inlet and outlet of the hot blast pipe are influenced by the inside brick masonry and gravity, the temperature of the topmost part is generally the highest, and the middle of the steel pipe is just positioned at the top of the hot blast pipe.
Optionally, the steel pipes are made of carbonaceous materials and distributed in a semi-arc structure.
By adopting the technical scheme, the steel pipe is made of the carbon material, is high temperature resistant and low in cost, and is of a semi-arc structure, so that the steel pipe can be better fixed on the stiffened plate.
Optionally, a ball valve is installed inside the vent pipe and the water through pipe.
Through adopting above-mentioned technical scheme, the staff adjusts the ball valve according to actual cooling demand, makes it open big or close the air supply in little breather pipe and the logical water pipe.
To sum up, the utility model discloses a following beneficial effect: when the hot blast pipe needs to be cooled, the steel pipe frame is fixed on the reinforcing plates at the inlet and outlet of the required hot blast pipe, the middle of the steel pipe is positioned at the top end of the hot blast pipe, then the water through pipe and the vent pipe are opened, compressed air or water medium is communicated, and finally, wind is blown or atomized according to the requirement of cooling strength to cool the inlet and outlet of the hot blast pipe 3.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the hot blast stove and the air mixing chamber of the present invention;
fig. 3 is a view showing a structure of a cooling apparatus according to the present invention.
Description of the reference numerals:
1. a hot blast stove; 2. a wind mixing chamber; 3. a hot air pipe; 4. adding a rib plate; 5. a cooling device; 51. a steel pipe; 511. a circular hole; 512. closing the plate; 52. a water pipe; 53. a breather pipe; 531. a ball valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides an embodiment: a kind of hot-blast furnace hot-blast line access & exit cooling device, including hot-blast furnace 1 and air-mixing chamber 2, the air-mixing chamber 2 is mounted on upper end of the hot-blast furnace 1, connect with the hot-blast main 3 in the middle of the air-mixing chamber 2, the junction of air-mixing chamber 2 and hot-blast main 3 is welded with the gusset 4, the gusset 4 takes the form of the annular array and distributes evenly, can improve the integral support intensity, the upper end of the gusset 4 connects with the cooling device 5; the cooling device 5 comprises a steel pipe 51, a water pipe 52 and a vent pipe 53, wherein the steel pipe 51 is arranged at the upper end of the stiffened plate 4, the steel pipe 51 is made of a carbonaceous material, the steel pipe is high-temperature resistant and low in cost, and the steel pipe 51 is distributed in a semi-arc structure, so that the steel pipe can be better fixed on the stiffened plate 4. Round holes 511 are arranged on the inner side of the steel pipe 51 at intervals, the diameter of the round holes 511 on the two sides of the steel pipe 51 is smaller than that of the round hole 511 in the middle of the steel pipe 51, closing plates 512 are fixedly arranged on the two sides of the steel pipe 51, and the closing plates 512 can close the two sides of the steel pipe 51 to prevent cooling medium from leaking from the two sides of the steel pipe 51. The upper end of the middle of the steel pipe 51 is symmetrically welded with a water pipe 52 and a vent pipe 53, and the ball valve 531 is arranged in the vent pipe 53 and the water pipe 52.
When the hot-blast pipe 3 needs to be cooled, the steel pipe 51 is fixed on a reinforcing plate at the inlet and outlet of the hot-blast pipe 3, the aperture size of the round hole 511 in the steel pipe 51 is determined according to the temperature of the upper part of the inlet and outlet of the hot-blast pipe 3, the higher the temperature of the cooling area is, the larger the aperture is, the aperture of the two sides of the steel pipe 51 can be 1-2mm, the aperture of the middle of the steel pipe 51 can be 3-4mm, the inlet and outlet of the hot-blast pipe 3 is influenced by internal brick masonry and gravity, the highest temperature is generally, the middle of the steel pipe 51 is just positioned at the top of the hot-blast pipe 3, then the ball valves 531 in the water pipe 52 and the vent pipe 53 are opened, the water pipe 52 and the vent pipe 53 are communicated with compressed air or water medium, and finally, wind blowing or atomization is performed according to the requirement of cooling strength to cool the inlet and outlet of the hot-blast pipe 3.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a hot-blast furnace hot-blast pipeline access & exit heat sink, includes hot-blast furnace (1) and wind-mixing chamber (2), its characterized in that: the air mixing chamber (2) is arranged at the upper end of the hot blast stove (1), the hot blast pipe (3) is connected in the middle of the air mixing chamber (2), a stiffened plate (4) is welded at the joint of the air mixing chamber (2) and the hot blast pipe (3), and the upper end of the stiffened plate (4) is connected with a cooling device (5);
the cooling device (5) comprises a steel pipe (51), a water service pipe (52) and a vent pipe (53), the steel pipe (51) is installed at the upper end of the stiffened plate (4), and the water service pipe (52) and the vent pipe (53) are symmetrically welded at the upper end of the middle of the steel pipe (51).
2. The inlet and outlet cooling device for the hot air pipeline of the hot blast stove according to claim 1, characterized in that: the stiffened plates (4) are uniformly distributed in an annular array.
3. The inlet and outlet cooling device for the hot air pipeline of the hot blast stove according to claim 2, characterized in that: round holes (511) are arranged on the inner side of the steel pipe (51) at intervals, and sealing plates (512) are fixedly mounted on two sides of the steel pipe (51).
4. The inlet and outlet cooling device for the hot air pipeline of the hot blast stove according to claim 2, characterized in that: the aperture of the round hole (511) at the two sides of the steel pipe (51) is smaller than that of the round hole (511) in the middle of the steel pipe (51).
5. The inlet and outlet cooling device for the hot air pipeline of the hot blast stove according to claim 1, characterized in that: the steel pipes (51) are made of carbon materials, and the steel pipes (51) are distributed in a semi-arc structure.
6. The inlet-outlet cooling device for the hot air pipeline of the hot blast stove according to claim 1, characterized in that: and ball valves (531) are arranged inside the vent pipe (53) and the water through pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851097.3U CN218290987U (en) | 2022-07-18 | 2022-07-18 | Hot-blast pipeline access & exit heat sink of hot-blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851097.3U CN218290987U (en) | 2022-07-18 | 2022-07-18 | Hot-blast pipeline access & exit heat sink of hot-blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218290987U true CN218290987U (en) | 2023-01-13 |
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ID=84791106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851097.3U Active CN218290987U (en) | 2022-07-18 | 2022-07-18 | Hot-blast pipeline access & exit heat sink of hot-blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218290987U (en) |
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2022
- 2022-07-18 CN CN202221851097.3U patent/CN218290987U/en active Active
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